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media: uvcvideo: refactor uvc_ioctl_g_ext_ctrls

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We want to support fetching the min and max values with g_ext_ctrls,
this patch is a preparation for that.

Instead of abusing uvc_query_v4l2_ctrl(), add an extra parameter to
uvc_ctrl_get, so it can support fetching the default value.

Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Tested-by: Yunke Cao <yunkec@google.com>
Signed-off-by: Ricardo Ribalda <ribalda@chromium.org>
Link: https://lore.kernel.org/r/20250203-uvc-roi-v17-6-5900a9fed613@chromium.org
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
This commit is contained in:
Ricardo Ribalda 2025-02-03 11:55:42 +00:00 • committed by Hans Verkuil
commit 2002ce4443
3 changed files with 31 additions and 21 deletions
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